【High quality Hair Grip】The bun hair pins are made of high quality metal material, it’s not easy to break and get deform after using for a long time. The black environmental protection paint spraying in one, not fading easily and more durable. The pins are not sharp so they will not hurt your head when using. , 【Safe & Painless】These bobby pins has small ball end design, prevents from scratching the scalp when applying.